August so far
2.14″
Year to date 2026
27.50″
August so far: 2.14″ of the 3.89″ monthly normal, about 55% of typical. Last measurable rain: August 7, 2026.
0.09″ of rain fell in ZIP 62269 over the last 24 hours, measured by NOAA MRMS radar at this ZIP code's location. Year to date, O Fallon, IL has recorded 27.50″.
August so far: 2.14″ of the 3.89″ monthly normal, about 55% of typical. Last measurable rain: August 7, 2026.
Source: NOAA MRMS radar-estimated precipitation and GHCN-Daily station BELLEVILLE SIU RSCH. ZIP-code locations from GeoNames postal data (CC BY 4.0). Radar windows are point-scoped to the ZIP centroid; monthly and year-to-date totals blend the nearest reporting station with radar analysis.